Rename Builtin::LoadLibrary to Builtin::LoadAndCheckLibrary as the name

runtime/bin/builtin_nolib.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <stdio.h>
 
 #include "include/dart_api.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 23 matching lines @@
   ASSERT((sizeof(builtin_libraries_) / sizeof(builtin_lib_props)) ==
          kInvalidLibrary);
   ASSERT(id >= kBuiltinLibrary && id < kInvalidLibrary);
   if (builtin_libraries_[id].has_natives_) {
     // Setup the native resolver for built in library functions.
     DART_CHECK_VALID(Dart_SetNativeResolver(library, NativeLookup));
   }
 }
 
 
-Dart_Handle Builtin::LoadLibrary(BuiltinLibraryId id) {
+Dart_Handle Builtin::LoadAndCheckLibrary(BuiltinLibraryId id) {
   ASSERT((sizeof(builtin_libraries_) / sizeof(builtin_lib_props)) ==
          kInvalidLibrary);
   ASSERT(id >= kBuiltinLibrary && id < kInvalidLibrary);
   Dart_Handle url = Dart_NewString(builtin_libraries_[id].url_);
   Dart_Handle library = Dart_LookupLibrary(url);
   if (Dart_IsError(library)) {
     ASSERT(id >= kCryptoLibrary && id < kInvalidLibrary);
     library = Dart_LoadLibrary(url, Source(id));
     if (!Dart_IsError(library)) {
       SetupLibrary(library, id);
     }
   }
   DART_CHECK_VALID(library);
   return library;
 }
 
 
 void Builtin::ImportLibrary(Dart_Handle library, BuiltinLibraryId id) {
-  Dart_Handle imported_library = LoadLibrary(id);
+  Dart_Handle imported_library = LoadAndCheckLibrary(id);
   // Import the library into current library.
   DART_CHECK_VALID(Dart_LibraryImportLibrary(library,
                                              imported_library,
                                              Dart_Null()));
 }